Just got my Lee mold this week for the .44 mag 310 grain RF bullet. Loaded them with 15.0 grains of 2400. The Lyman cast manual stated the OAL would be long but should work with most revolvers. This is my 629, you can see they are about as long as they will function. Average of 910 on my chrony. Shot well, fairly soft since this is the starting load. Anyone else shoot this bullet? Wanna kill these ads? We can help!